package com.gnerv.oauth.cuntom.login;

import com.gnerv.oauth.entity.Result;
import com.gnerv.oauth.utils.GsonUtils;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@Component
public class CustomFailureHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        response.setContentType("application/json;charset=utf-8");
        PrintWriter writer = response.getWriter();
        writer.println(GsonUtils.toJson(Result.response(Result.CODE_400)));
        writer.close();
    }
}
